Home / 85,495,690.44-127,940,809.50-53,162,818.92

Finding the Fourth Proportional to 85,495,690.44, 127,940,809.50 and 53,162,818.92

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Solution

The fourth proportional to 85,495,690.44, 127,940,809.50 and 53,162,818.92 is: 79,555,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,495,690.44 : 127,940,809.50 = 53,162,818.92 : x
  2. Step 2: Convert to fraction form
    85,495,690.44/127,940,809.50 = 53,162,818.92/x
  3. Step 3: Cross multiply
    85,495,690.44x = 127,940,809.50 × 53,162,818.92
  4. Step 4: Simplify right side
    85,495,690.44x = 6,801,694,087,926,716
  5. Step 5: Solve for x
    x = 6,801,694,087,926,716/85,495,690.44
  6. Step 6: Final answer
    x = 79,555,987.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.